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Quadrangular space

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Quadrangular space
The scapular and circumflex arteries. (Quadrangular space is visible but not labeled. Posterior humeral circumflex artery is visible entering quadrangular space at center right.)
Suprascapular and axillary nerves of right side, seen from behind. (Quadrangular space is visible but not labeled. Axillary nerve is visible entering quadrangular space at center right.)
Anatomical terminology

The quadrangular space is a location in the arm which is bounded by the Subscapularis and Teres minor above, the Teres major below, the long head of the Triceps brachii medially, and the surgical neck of the humerus laterally.

It transmits the axillary nerve and posterior humeral circumflex artery.

  • . GPnotebook https://www.gpnotebook.co.uk/simplepage.cfm?ID=141230158. {{cite web}}: Missing or empty |title= (help)
  • Anatomy photo:03:04-0101 at the SUNY Downstate Medical Center - "Scapular Region: Quadrangular Space of Scapular Region"
  • Quadrangular space at the Duke University Health System's Orthopedics program
  • Photo at umich.edu
  • Diagram at wustl.edu

Public domain This article incorporates text in the public domain from page 589 of the 20th edition of Gray's Anatomy (1918)